diff --git a/.travis.yml b/.travis.yml
index d967767..3678102 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,7 @@
 language: bash
+install:
+  - sudo apt-get install ksh zsh -y
 before_script:
   - curl -o /tmp/urchin https://raw.github.com/scraperwiki/urchin/master/urchin && chmod +x /tmp/urchin
 script:
-  - NVM_DIR=$TRAVIS_BUILD_DIR make URCHIN=/tmp/urchin test
\ No newline at end of file
+  - NVM_DIR=$TRAVIS_BUILD_DIR make URCHIN=/tmp/urchin test